Targeting brain endothelial peptide-hla complexes with TCR mimic antibodies
This innovative approach leverages TCR mimic antibodies to target unique peptide-HLA complexes in brain endothelial cells, offering potential for targeted drug delivery and diagnostic imaging applications.
Overview
The innovative technology developed by researchers at Texas Tech University Health Sciences Center involves the use of TCR (T-cell receptor) mimic antibodies to specifically target peptide-HLA (human leukocyte antigen) complexes expressed by endothelial cells at the blood-brain barrier. These complexes are distinct from those in other vascular regions, making them ideal targets for drug delivery and diagnostic imaging. This approach promises to enhance precision in treating neurological disorders by allowing targeted delivery of therapeutic agents and improving imaging accuracy for diagnostic purposes.
Technical specifications
- TCR mimic antibodies: These are monoclonal antibodies engineered to mimic T-cell receptors, capable of binding to specific peptide-HLA complexes with high specificity.
- Peptide-HLA targeting: Unique peptide-MHC complexes need to be identified using LC-MS/MS technology, followed by the generation of TCR mimic antibodies specific to these targets.
- Internalization and targeting: Initial studies show that these antibodies rapidly internalize into brain endothelial cells, suggesting efficacy in targeted delivery applications.
- Validation process: Novel TCR mimics will be validated in animal models, with brain targeting assessed through fluorescent labeling, near-infrared imaging, or radiotracers.
Technology readiness level
The technology is currently at TRL 4, indicating that it has been validated in laboratory settings, including through human HLA-A2 transgenic mouse models and human-derived brain endothelial cells. Future efforts will focus on identifying additional peptide-HLA targets, generating novel TCR mimics, and conducting in vivo validation studies to advance the technology further.
About Texas Tech University Health Sciences Center
Texas Tech University Health Sciences Center is a public, multi-campus academic health sciences center serving a 121‑county region from its flagship in Lubbock. Industry collaborators tap a large clinical enterprise through Texas Tech Physicians and affiliated teaching hospitals—anchored by University Medical Center in Lubbock—and interprofessional simulation sites across key West Texas locations. As part of the Texas Tech University System, IP protection, licensing, and startup support are coordinated through a system Office of Research Commercialization, providing a clear pathway for partnerships. Research is backed by competitive funding from federal agencies such as NIH and HRSA, alongside state and philanthropic support. The university’s Hispanic‑Serving Institution designation and West Texas footprint facilitate access to diverse, often rural populations for clinical collaboration.
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